Merge 4.9.27 into android-4.9
Changes in 4.9.27:
timerfd: Protect the might cancel mechanism proper
Handle mismatched open calls
tpm_tis: use default timeout value if chip reports it as zero
scsi: storvsc: Workaround for virtual DVD SCSI version
hwmon: (it87) Avoid registering the same chip on both SIO addresses
8250_pci: Fix potential use-after-free in error path
ceph: try getting buffer capability for readahead/fadvise
cpu/hotplug: Serialize callback invocations proper
dm ioctl: prevent stack leak in dm ioctl call
Linux 4.9.27
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>